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This driver has no purpose. It doesn't feed into the Linux RNG, nor does it implement the hwrng interface. It is accessible only via the "rng" algorithm type of AF_ALG, which isn't used in practice. Everyone uses either the Linux RNG, or rarely /dev/hwrng. Moreover, this is a PRNG whose only source of entropy is the 160-bit seed the user passes in. So this can be used only by a user who already has a source of cryptographically secure random numbers, such as /dev/random. Which they can, and do, just use in the first place. Just remove this driver. There's no need to keep useless code around. Note that the other crypto_rng drivers in drivers/crypto/ are similarly unused and are being removed too. This commit just handles exynos-rng. Signed-off-by: Eric Biggers <ebiggers@kernel.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
49 lines
2 KiB
49 lines
2 KiB